1. | Separated DNA fragments can be directly seen under UV radiation |
2. | Separated DNA can be extracted from gel piece. |
3. | Fragments of DNA moves toward anode. |
4. | Sieving effect of agarose gel helps in separation of DNA fragments. |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology1. | Bright orange coloured bands of DNA can be observed in the gel when exposed to UV light. |
2. | The process of extraction of separated DNA strands from gel is called elution. |
3. | The separated DNA fragments are stained by using ethidium bromide. |
4. | The presence of chromogenic substrate gives blue coloured DNA bands on the gel. |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyPrefer Books for Question Practice? Get NEETprep's Unique MCQ Books with Online Audio/Video/Text Solutions via Telegram Bot
NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology(a) | Agarose is a natural polymer obtained from sea-weed. |
(b) | The separation of DNA molecules in agarose-gel electrophoresis depends on the size of DNA. |
(c) | The DNA migrates from negatively-charged electrode to the positively-charged electrode. |
(d) | The DNA migrates from positively-charged electrode to the negatively-charged electrode. |
1. | (a) and (b) only | 2. | (a), (b) and (c) only |
3. | (a), (b) and (d) only | 4. | (b), (c) and (d) only |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyDNA strands on a gel, stained with ethidium bromide, when viewed under UV radiation, appear as:
1. | Dark red bands | 2. | Bright blue bands |
3. | Yellow bands | 4. | Bright orange bands |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyDuring the purification process for recombinant DNA technology, addition of chilled ethanol precipitates out:
1. | Histones | 2. | Polysaccharides |
3. | RNA | 4. | DNA |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyIn-gel electrophoresis, separated DNA fragments can be visualized with the help of:
1. Ethidium bromide in UV radiation
2. Acetocarmine in UV radiation
3. Ethidium bromide in infrared radiation
4. Acetocarmine in bright blue light
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyMatch the following techniques or instruments with their usage:
(a) | Bioreactor | (i) | Separation of DNA fragments |
(b) | Electrophoresis | (ii) | Production of large quantities of products |
(c) | PCR | (iii) | Detection of pathogen, based on antigen-antibody reaction |
(d) | ELISA | (iv) | Amplification of nucleic acids |
Select the correct option from the following:
1. | (a)-(iii), (b)-(ii), (c)-(iv), (d)-(i) |
2. | (a)-(ii), (b)-(i), (c)-(iv), (d)-(iii) |
3. | (a)-(iv), (b)-(iii), (c)-(ii), (d)-(i) |
4. | (a)-(ii), (b)-(i), (c)-(iii), (d)-(iv) |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyIn a mixture, DNA fragments are separated by-
1. Bioprocess engineering
2. Restriction digestion
3. Electrophoresis
4. Polymerase chain reaction
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology